docs: def _var(self):
          """
          Get/Set a variable.
          """
          class Variables(object):
              def __getitem__(_self, name):
                  return self.getVariable(name)
  
              def __setitem__(_self, name, value):
                  self.getVariable(name).setValue(value)
  
              def __iter__(_self):
                  return self.getVariables()
  
          return Variables()